Finding the Third Proportional to 26,870.48 and 57,978.28

Step by Step Solution

1. Step 1: Write the proportion equation
   26,870.48 : 57,978.28 = 57,978.28 : x
2. Step 2: Convert to fraction form
   26,870.48/57,978.28 = 57,978.28/x
3. Step 3: Cross multiply
   26,870.48x = 57,978.28 × 57,978.28
4. Step 4: Simplify right side
   26,870.48x = 3,361,481,096.70
5. Step 5: Solve for x
   x = 3,361,481,096.70/26,870.48
6. Step 6: Final answer
   x = 125,099.39